Answer:
y = 2
Step-by-step explanation:
If a sum invested gains 10% each year how long will it be before it has doubled its
value?
Using an exponential equation, it is found that it will be 7.3 years before the value is doubled.
The equation for an increasing exponential function is given by:
[tex]A(t) = A(0)(1 + r)^t[/tex]
In which:
A(0) is the initial amount.r is the growth rate, as a decimal.In this problem:
Gains 10% each year, thus [tex]r = 0.1[/tex].The doubling time is t for which [tex]A(t) = 2A(0)[/tex], then:
[tex]A(t) = A(0)(1.1)^t[/tex]
[tex]2A(0) = A(0)(1.1)^t[/tex]
[tex](1.1)^t = 2[/tex]
[tex]\log{(1.1)^t} = \log{2}[/tex]
[tex]t\log{1.1} = \log{2}[/tex]
[tex]t = \frac{\log{2}}{\log{1.1}}[/tex]
[tex]t = 7.3[/tex]
It will be 7.3 years before the value is doubled.
A similar problem is given at https://brainly.com/question/23008760
Help me with this please
Answer:
178 maybe tell its right or wronv
[tex]10 \times 25 \times 2255 + 52211[/tex]
SolVe it. No spam.
Answer:
=615961
Step by step explanation:
(10)(25)(2255)+52211
=(250)(2255)+52211
=563750+52211
=615961
What is square 68 in simplest form
Answer:
4624 hope this helps
[tex] \sqrt{2 ^{2} } \times \sqrt{17} [/tex]
4. Simplify the radical expression and get
[tex]2 \sqrt{17} [/tex]
house is between his school and the library, witch are one mile apart on the same street. A mile is 5280 feet. After school Nick walks 3195 feet to his house. How many more feet does he need to walk to get to the library? Explain
Answer:
2085 feet
Step-by-step explanation:
If the library and school are one mile apart and his house is in the middle then after he walks to his house he only has 2085 feet left to walk.
Which number is 10 times the value of the 4 in 283.47 ?
Answer:
No answer sorry.
Step-by-step explanation:
10 times 4 ten thousands = 40 ten thousands = 4 hundred thousands. Explain how you know this equation is true. 10 × 4 ten thousands = 40 ten thousands = 4 hundred thousands.
Answer:
Value of 4= 0.4
10 x 0.4 = 4
Step-by-step explanation:
To raise funds for uniforms and travel expenses, the soccer team is holding
a car wash in a part of town with a lot of car and truck traffic. The team
spent $90 on supplies like sponges and soap. They plan to charge $10 per
car and $20 per truck. Their goal is to raise $460.
Question: how many cars do they have to wash if they washed t trucks??
9514 1404 393
Answer:
55 -2t cars
Step-by-step explanation:
The amount raised is the difference between the revenue and expenses. If c cars and t trucks are washed for a profit of $460 after expenses of $90, the equation can be written ...
460 = 10c +20t -90 . . . profit equation
550 = 10c +20t . . . . . . . add 90
550 -20t = 10c . . . . . . . subtract 20t
c = 55 -2t . . . . . . . . . . . divide by 10
They have to wash 55-2t cars if they washed t trucks.
The lengths of the worms (in inches) are listed here.
Which line plot shows this data?
Answer:
The second one shows the data of the lengths of the worms.
Step-by-step explanation:
By counting the number of times a number was represented on the number line.
Like 1, four times.
1 1/2, three times.
1 3/8, three times.
Likewise to all other numbers.
SHOW THE GRAPH AS WELL PLEASE
Plot the x- and y-intercepts to graph the equation. y=−12x−3
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Step-by-step explanation:
To find the x-intercept, substitute in 0 for y and solve for x To find the y-intercept, substitute in 0 for x and solve for y .
x-intercept(s): ( − 6 , 0 )
y-intercept(s): ( 0 , − 3 )
Use the slope-intercept form y = m x + b to find the slope m .
Slope: [tex]m = -\frac{1}{2}[/tex]
Graph in pic
(Credits: Symbolab)
Answer:
pls help
Step-by-step explanation:
round to the nearest ten 7096.88
See attachment. Please give step by step solution. Thank you
Answer:
x=19
Step-by-step explanation:
cross multiply
(−3)(+5)(3+5)=(−3)(+5)⋅2−3
(−3)⋅3=(+5)⋅2
3(−3)=(+5)⋅2
=19
Ms. Reynold's sprinkler system has 4 stations that water all parts of her front and back lawn. Each station
runs for an equal amount of time. If it takes 36 minutes for the first 3 stations to water, how long does it
take to water all parts of her lawn?
It will take 46
minutes for Ms. Reynold to water her lawn.
Answer:
It will take 48 minutes to water all parts of her lawn.
Step-by-step explanation:
Each section runs for an equal amount of time
3 sections have run for 36 minutes
36 divided by 3 is 12, meaning each section runs for 12 minutes
12 times 4 is 48
x(x+6)=-8 quadratic equation
Answer:
x=-2 or x=-6
Step-by-step explanation:
x^2+6x+8=0
(x+2) (x+6)=0
x=-2 or x=-6
solve pls brainliest
Answer: A= 304 feet B=1460
Step-by-step explanation:
Solve for x. −23(3x−4)+3x=56
A. x=−196
B. x=−116
C. x=216
D. x=296
Answer:
x = 6/11
Step-by-step explanation:
−23(3x−4)+3x=56
Distribute
-69x + 92 +3x = 56
Combine like terms
-66x+92 = 56
Subtract 92 from each side
-66x+92-92 = 56-92
-66x =-36
Divide each side by -66
-66x/-66 = -36/-66
x = 6/11
Answer:
x=6/11
Step-by-step explanation:
Exits on an interstate are numbered consecutively.
The distance between Exit 5 and Exit 6 is 3.2 miles.
The distance between Exit 6 and Exit 7 is 1.1 miles farther than the distance between Exit 5 and Exit
6.
The distance between Exit 6 and Exit 8 is 2.4 miles farther than the distance between Exit 5 and Exit
7.
The distance between Exit 7 and Exit 8 is
miles.
9514 1404 393
Answer:
5.6 miles
Step-by-step explanation:
Let the following distances between exits be defined:
a = exit 5 to 6
b = exit 6 to 7
c = exit 7 to 8
Then the given relations are ...
a = 3.2
b = 1.1 +a = 4.3
(b +c) = 2.4 +(a +b) ⇒ c = a +2.4 = 5.6
The distance between exits 7 and 8 is 5.6 miles.
your test is worth 100 points and theres 44 questions how many points is each question worth
Answer: ~ 2.27 points per question
Step-by-step explanation:
Want points/question.
So, we do 100 points / 44 questions
~ 2.27 points per question
solve pls brainliest
91/25, 3.92, 3.928, 2 13/20
im pretty sure this is correct AND IM RLY SRY IF IT ISN’T
How do you determine the number of electrons? (need the answer asap)
Question 1 options:
It is equal to the atomic mass
It is equal to the protons + the atomic number
It is the atomic mass + the atomic number
It is equal to the protons in a neutral atom
Answer:
It is equal to the protons in a neutral atom
more over
#proton =#electrons=atomic number
Answer:
It is equal to the protons in a neutral atom
Use the distributive property.
4(5x + 3y – 7) = 20x + 12y + [?
Having a hard time with the last one.
Answer:
-28
Step-by-step explanation:
20x+12y-28=20x+12y+[?
subtract like term so 20x-20x and 12y-12y
therefore -28 =[?
Your friend identifies the terms and like terms in the expression
3x - 5 - 2x + 9x
is your friend correct?
explain your reasoning :
Answer:
The like-terms equation would be:
10x - 5
Step-by-step explanation:
Janice Went to five different stores in the mall, she spent an average of $30 at each store. After visiting just the first four stores she had spent $100, how much was she have spent at the last store based on her overall average?
A.$25
B.$30
C.$50
D.$70
Based on Janice average, she spent $50 at the last store.
Let a, b, c, d, e represent the money spent on the five stores respectively.
Since she spent an average of $30 at each store, hence:
(a + b + c + d + e) / 5 = 30
(a + b + c + d + e) = 150
She spent $100 on the first four stores, hence:
a + b + c + d = 100
(a + b + c + d + e) = 150
100 + e = 150
e = 50
Hence based on Janice average, she spent $50 at the last store.
Find out more at: brainly.com
What is the slope of the linear function graphed
below?
Answer:
y=2x+2
Step-by-step explanation:
The slope of the function is going up by 2 every time.
Can you please help me fractions
Answer:
Step-by-step explanation:
1/320
Fraction form 1/5 Decimal form 0.2
Step-by-step explanation:
hope this helps
5551-525152+62626626×552526
solve it.
Answer:
=34602838637675
Step-by-step explanation:
=−519601+(62626626)(552526)
=−519601+34602839157276
=34602838637675
Nick walked ¾ of a mile in 12 minutes. At the same pace, how far could he walk in 48 minutes?
Answer:
3 miles
Step-by-step explanation:
To get from 12 to 48 we can multiply by 4. So if we multiply 3/4 by 4 we would get the number of miles:
3/4 × 4 is the same as 3/4 × 4/1 which is 12/4 or 3
He could walk 3 miles in 48 minutes.
Hope this helps!
!HELP 20 POINTS!! Which table represents exponential growth?
Answer: The second table represents exponential growth.
Step-by-step explanation:
The second tables Y values go up with the X values so it is exponentia. The first table the Y values rise and then fall with the X values so it is not exponentia. Hope this helps!
Can someone please hurry and finish this question please!!!! Will give brainliest
Answer:
2b. R line is lower.
2c. It is lower because the y-intercept is negative.
Answer: ill take one for you john
Step-by-step explanation:
2x - 6 >8
What is the Second Step?
Answer:
8
Step-by-step explanation:
i used the calculator
1.Add 66 to both sides.
[tex]2x=8+6[/tex]
2. Simplify 8+6 to 14
[tex]2x=14[/tex]
3. Divide both sides by 22.
[tex]x=14/2[/tex]
4. Simplify [tex]14/2[/tex] to [tex]7[/tex]
Then your answer should be [tex]x=7[/tex]
Does anybody know this question
Answer:
13h
Step-by-step explanation:
A = LW
A = 13 cm * h cm
A = 13h cm^2
We know that two sides of the rectangle are 13cm. To find the area, we need to find h. It looks like h is 1/3 of the longer side, so 13 divided by 1/3 is 4.3. 13 times 4.3 is 55.9cm. I hope this helps!
